Internal & Surrogate Standard 8260B Back Catalog number: 96719 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2326.12-K-IOX5 Arochlor 5460 , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 11126-42-4 Price on request 2689.34-10UG 17 alpha(H),21ß(H)-(22R)-Tetrakishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 67069-14-1 Price on request 679522 13C6-Sulfamethazine, 10mg Price on request